Home / 7,740.18-10,683.14-5,087.83

Finding the Fourth Proportional to 7,740.18, 10,683.14 and 5,087.83

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Solution

The fourth proportional to 7,740.18, 10,683.14 and 5,087.83 is: 7,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.18 : 10,683.14 = 5,087.83 : x
  2. Step 2: Convert to fraction form
    7,740.18/10,683.14 = 5,087.83/x
  3. Step 3: Cross multiply
    7,740.18x = 10,683.14 × 5,087.83
  4. Step 4: Simplify right side
    7,740.18x = 54,354,012.91
  5. Step 5: Solve for x
    x = 54,354,012.91/7,740.18
  6. Step 6: Final answer
    x = 7,022.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.